package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;

@Service
public class FileServiceImpl implements FileService {
    @Autowired
    private MinioProperties minioProperties;
    @Autowired
    private MinioClient minioClient;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
        //上传文件
        //判断是否有桶
        boolean bucketExists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
        //创建桶
        if (!bucketExists){
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
            String config = """
                        {
                              "Statement" : [ {
                                "Action" : "s3:GetObject",
                                "Effect" : "Allow",
                                "Principal" : "*",
                                "Resource" : "arn:aws:s3:::%s/*"
                              } ],
                              "Version" : "2012-10-17"
                        }
                    """.formatted(minioProperties.getBucketName());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(config).build());
        }
        //上传文件
        //优化文件命
        String objectName = new SimpleDateFormat("yyyMMdd").format(new Date()) + "/" + file.getOriginalFilename();
        minioClient.putObject(PutObjectArgs.builder()
                        .bucket(minioProperties.getBucketName())
                        .contentType(file.getContentType())
                        .object(objectName)
                        .stream(file.getInputStream(),file.getSize(),-1)
                .build());
        return  String.join("/", minioProperties.getEndPoint(), minioProperties.getBucketName(),objectName);
    }
}
